Natural Rodent Repellent: Being made of mineral like Quartz Sand and pure natural plant formula like Camphor, Peppermint and Lemon, KANGFAC mouse repellent is non-toxic and the smell is safe for pets, human. It may release a nasty odor that rodents don’t like, which will be a bit unpleasant when you first use it. If you mind, you can place it away from your living area. It also has a certain repellent effect on other rodents like mole, vole, gopher, groundhog, squirrel, chipmunk etc. Easy to Use: Wear gloves to take out the ball and put it into the net bag for more durable using effect. Then place the bag at any enclosed areas where you have seen rodent activities or where they will pass such as corners, attic, closets, ceilings, duct openings, and so on. You can place it on the ground at an interval of 40-80 inches or hang it 8 inches from the ground. (Note: This product is a volatile product, please avoid direct sunlight.) Humane Pest Control: This rodent repellent ball is a humane way to repel mice and rats by releasing strong scent that can stimulate their nerves so as to make them feel restless and flee away from the protected environment. As rodents have been posing a significant threat to our health and environment, driving rodents away does not only minimizes the direct contact between human and those disease-bearing rodents, but also maintain the balance between human and nature. Lasting & Effective: KANGFAC concentrated mice repellent is a effective way to deter rodents by achieving a long-term and cost-effective solution. The effective protection period of this product's natural volatilization can up to 2 months. There are 10 rat repellent balls in every package with 5 net bags. It is recommended to place 1-2 bags for general rodent infestation, and 3-5 bags for severe rodent infestation. For better effect, you can place the balls more densely. Wide Application Range: As rats, mice, martens and other destructive rodents often shelter in some hidden and enclosed spaces. Once sheltered, they will mess up and even damage your property. KANGFAC rodent repellent ball is a humane & eco-friendly way to prevent rodents from entering, nesting or foraging in your home, car engine compartment, garage, RV closets, utility room, kitchen, locker, cabinet, corridor, window, attic, shed, basement, balcony, warehouse, barn etc.